Lacing system of a shoe upper



FIG. 1 is a side elevational view of one side of a shoe upper having a lacing system showing my new design;

FIG. 2 is a side elevational view of the other side of the shoe upper having the lacing system shown in FIG. 1;

FIG. 3 is a front elevational view of the shoe upper having the lacing system shown in FIG. 1; and,

FIG. 4 is a top plan view of the shoe upper having the lacing system shown in FIG. 1.

The broken line showing of a shoe sole and the remainder of the shoe upper is for illustrative purposes and forms no part of the claimed design. 

The ornamental design for a lacing system of a shoe upper, as shown and decribed. 